The neural tube, which becomes the brain and spinal cord, starts forming. You might miss your period. Avoid alcohol and smoking to protect early development.
Week 31 - Bone Strengthening
Ovulation Prediction
Week 9 - Fetal Movement Starts
Week 35 - Preparation for Birth
Implantation calculator
Week 39 - Final Growth
Week 6 - Limb Buds Appear
Week 17 - Fat Layers Develop